Home / 81,683,147.40-122,524,721.10-63,189,000.60

Finding the Fourth Proportional to 81,683,147.40, 122,524,721.10 and 63,189,000.60

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Solution

The fourth proportional to 81,683,147.40, 122,524,721.10 and 63,189,000.60 is: 94,783,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,683,147.40 : 122,524,721.10 = 63,189,000.60 : x
  2. Step 2: Convert to fraction form
    81,683,147.40/122,524,721.10 = 63,189,000.60/x
  3. Step 3: Cross multiply
    81,683,147.40x = 122,524,721.10 × 63,189,000.60
  4. Step 4: Simplify right side
    81,683,147.40x = 7,742,214,675,102,732
  5. Step 5: Solve for x
    x = 7,742,214,675,102,732/81,683,147.40
  6. Step 6: Final answer
    x = 94,783,500.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.